Overview
Specifications
Resources
Disclosures
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Western Digital CL SN520 NVMe SSD
from Western Digital

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Fueling Innovation for Next-Generation Commercial & Industrial Applications

With future-ready, design flexibility and a scalable NVMe™ architecture on 64-layer 3D NAND, the product is breaking through performance limits for commercial and industrial applications. With a broad temperature range and high endurance, the CL NVMe SSD is a cost-effective,  small form factor, reliable storage solution with capacity points from 128GB to 512GB1.

The CL SN520 are built on PCIe Gen3x2 storage solution. Designed for applications that require high performance, a wide temperature range, increased reliability at a low power consumption in M.2 2280 form factor.

Product Details

Highlights
●  0° to +85°C operating temperature
●  Up to 400 TBW
●  3 years extended longevity
●  Sequential Read speeds up to 1,700MB/s
●  128GB to 512GB capacities in M.2 2280 form factor

Applications and Workloads
●  In-flight Entertainment Systems
●  Data Logging and Recorder
●  Video Surveillance
●  Factory 2.0
●  Machinery Automation
●  IoT Edge Gateway
●  Network Equipment
●  Embedded PC

Highlights
●  0° to +85°C operating temperature
●  Up to 400 TBW
●  3 years extended longevity
●  Sequential Read speeds up to 1,700MB/s
●  128GB to 512GB capacities in M.2 2280 form factor

Applications and Workloads
●  In-flight Entertainment Systems
●  Data Logging and Recorder
●  Video Surveillance
●  Factory 2.0
●  Machinery Automation
●  IoT Edge Gateway
●  Network Equipment
●  Embedded PC

Full Specifications

Features
  • Endurance of up to 400 TBW
  • Extended longevity for efficient supply and long-term availability
  • High error resistance to help maintain stable operational environment
  • 128GB to 512GB capacities in M.2 2280 form factor
Capacity
128GB
Form Factor
M.2 2280 S3-M
Sequential Read Performance
1500MB/s
Sequential Write Performance
800MB/s
Random Read
95K IOPS
Random Write
90K IOPS
Interface
PCIe Gen3 x2 NVMe v1.3
Warranty
5-Year Limited Warranty
Endurance (TBW)
100
Dimensions (L x W x H)
42mm x 22mm x 2.38mm
Weight
6.5gms
Operating Temperature
0°C to 85°C
Non-Operating Temperature
-55°C to 85°C
Certifications
FCC, UL, TUV, KCC, BSMI, VCCI, C-Tick
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Product Numbers

128GB , M.2 2280
256 GB , M.2 2280
512GB , M.2 2280
128GB , M.2 2280
256 GB , M.2 2280
512GB , M.2 2280

Resources

Download Product Guide
EU Declaration of Conformity

Disclosures

  1. As used for storage capacity, one gigabyte (GB) = one billion bytes and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.
  2. Test Conditions: Performance is based on the CrystalDiskMark 5.2.2 benchmark using a 1000MB LBA range ASUS Z170A desktop with Intel® i7-6700K 4.0GHz, 8GB 2133MHz DDR4. Windows 10 Pro 64-bit using Microsoft StorNVMe driver, secondary drive. Performance may vary based on host device. 1 MB = 1,000,000 bytes. IOPS = input/output operations per second.
  3. TBW (terabytes written) values calculated using JEDEC client workload (JESD219) and vary by product capacity.
  4. Power measurements at 25°C.
  5. MTTF = Mean Time To Failure based on internal testing and by using Telcordia stress part testing (Telecordia SR-332, GB, 40°C, 12 hours/day). MTTF is based on a sample population and is estimated by statistical measurements and acceleration algorithms. MTTF does not predict an individual drive’s reliability and does not constitute a warranty.
  6. Operational temperature as reported by device (composite temperature).
  7. Non-operational storage temperature does not guarantee data retention.
  8. 5 years or Max Endurance (TBW) limit, whichever occurs first. 5 year warranty in regions not recognizing “limited.” See https://support.wdc.com for more details.
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